diff --git a/script/test/DemoCscanPseudo1.py b/script/test/DemoCscanPseudo1.py
index 2fa88400..6c74a3cb 100644
--- a/script/test/DemoCscanPseudo1.py
+++ b/script/test/DemoCscanPseudo1.py
@@ -10,7 +10,7 @@ class PseudoMotor(RegisterBase, ControlledSpeedable):
         
     def doRead(self):     
          offset = self.setpoint - self.readback
-         d = (self.speed * (time.time() - self.settime))
+         d = (self.getSpeed() * (time.time() - self.settime))
          d = min(d, abs(offset))         
          self.position = self.readback + d if offset>0 else self.readback -d
          return self.position